For trying to save money and build a budget system, the Nforce is a great board. THe board I like is the Asus A7N266-E. It's got the best Nforce performance, and all the features of the Nforce board running. The soundcard is still one of the best out on the market, and while the video is slugish, it's free, and you can still throw in an AGP card if you want to upgrade for later.
I don't have any personal experience with it, but it's my #1 pick for a budget comp.
If you don't need all the integrated stuff, go with a KT333 board, or at least a KT266A. They do perform better than the Nforce and cost about the same for the board, maybe a bit less.
You can't realy go wrong with either solution though.
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